Vintage SHUBE Native Square Amber pendant with chain

Handsome vintage square amber pendant has a beautiful glow and numerous inclusions. I found a listing that said this was faux amber but I'm not sure so leaving it open. This Native American Shube pendant has a large etched bail and was made in New Mexico. Will come with a sterling 16" chain (can sub for an 18" if you like.) Chain is used and may need cleaning. FYI, The Shube maker's mark is a dollar sign with a line through it (please see photo).